Every man has an idea of how long he should 'last' in order to satisfy his partner - from a few minutes to 20 minutes or longer in some men's minds. One study found that, on average, penetration lasted five and a half minutes.

Occasional failure is more likely at the beginning of a relationship, particularly if a man is anxious. The issue often resolves as confidence grows, but some men get stuck in a loop where their anxiety about staying hard becomes something of a self-fulfilling prophecy.

We all have a right to good sex - and it seems that we want it, no matter what our age or relationship status. In short, if you have a sexual problem you shouldn't shy away from it and try and brush it under the carpet- it's much better to find a way to deal with it.

It's 2012, the age of instant. We all want quick answers to complex questions but when we try to find them, there's so much information out there, we're bamboozled by choice. Its especially the case with sex. There's a surplus of information about it (some great, some bollocks) - hands up who's bewildered by the overabundance of it all?